耕作有助于控制杂草并改善土壤结构。

Tillage helps to control weeds and improve soil structure.

定量描述不同土壤碳库和土壤结构稳定性的形成过程；

To quantify the formation processes of soil organic carbon pools and soil structure hierarchy;

土壤团聚体是土壤的重要组成部分、土壤结构的基本单位，其形成和稳定主要是通过土壤中各种胶结物质的胶结作用实现的。

Soil aggregate is the main component of soil and the basic unit of soil structure. Its formation and stability are realized by the effects of all kinds of cementing substance in soil.

结果表明土壤母质岩性、母岩裂隙、土壤结构对石榴品质有一定的影响。

Results indicated that soil lithology, rock cranny and soil structure had a certain impact on quality of megranate.

今后应深入研究不同土地利用和土壤管理措施下土壤活性碳库组成与土壤结构稳定性的关系 ；

In the end, the authors propose researches in future to elucidate the relationship between soil organic carbon pools and soil structure stability under different land uses and soil managements;

堆肥腐烂有机体的混合物，如树叶或粪便，用来改善土壤结构并增加土壤养分收藏。

A mixture of decaying organic matter, as from leaves and manure, used to improve soil structure and provide nutrients.

综述了渍水土壤还原过程中微生物代谢、化学变化、土壤结构和土壤胶体的稳定性的相关研究。

The review summarizes the microbial metabolism, chemical transformations, soil structure, and colloidal stability with reference to the reduction process in waterlogged soils.

季节因素引起的土壤结构的改变必然影响地网的安全性能.

The changes of soil structure caused by seasonal factor would affect the safety of grounding system.

蝠蛾的生态地理分布主要受食物、植被、土壤结构、温湿度等生态因子的影响。

The distributional range of Hepialus mainly is effected by food, vegetation, soil structure, temperature and humidity.

地下水脆弱性主要是由含水层中的环境地球化学效应和包气带土壤结构效应共同作用的结果。

Groundwater vulnerability results from the reaction environmental geochemistry effect in aquifer and soil structure in unsaturated zone.